Index: src/libchcore/ConfigNodeContainer.cpp
===================================================================
diff -u -N -re8f31b0f922b402878356e130c866c4f3682a7f5 -r17518cb4e2c229cb291fc23e58d74c9d9d8c658a
--- src/libchcore/ConfigNodeContainer.cpp	(.../ConfigNodeContainer.cpp)	(revision e8f31b0f922b402878356e130c866c4f3682a7f5)
+++ src/libchcore/ConfigNodeContainer.cpp	(.../ConfigNodeContainer.cpp)	(revision 17518cb4e2c229cb291fc23e58d74c9d9d8c658a)
@@ -176,7 +176,7 @@
 					{
 						// update existing item
 						ChangeOrderAndValue tChange(rValue.GetAt(stIndex), boost::numeric_cast<int>(stIndex));
-						m_mic.modify(pairFnd.first, tChange);
+						m_mic.modify(pairFnd.first, std::ref(tChange));
 
 						++pairFnd.first;
 					}